The MARKAL SL 100 31240120 is a hand-held, battery-operated tool designed to mark surfaces such as wood, plastic, metal and brick. It is ideal for marking lines and lettering, placing identification numbers, surface finishes, and labelling locations on walls or other surfaces. The tool comes with an open-peel marker and offers interchangeable clip-on tips for marking different surfaces. It is also easy to use, with a large, easy-to-hold nozzle, large trigger button and an adjustable flow control. The MARKAL SL 100 is a highly versatile tool that is perfect for a wide variety of marking tasks.